Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 10:20
Static task
static1
Behavioral task
behavioral1
Sample
3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe
Resource
win10v2004-20240508-en
General
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Target
3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe
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Size
4.1MB
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MD5
37661e453fc7647eddf5f9e9b3778aa0
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SHA1
ed7b3cc6d552c45befdbfc0fcf158ee591645d57
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SHA256
3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7
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SHA512
fcd7ffd51ebcfaa445ac08aa8201a7103df03036e0ec8b24a5dbf806232ac3a44cb107b3db1d3916746790eb6969d4179afb0ce618649c3ca651ab4f477e6f8d
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SSDEEP
98304:dBH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9ntG:dBZQtHgtXlxHq4G3ixkyiJTOnSQDy9ng
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3716-2-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/3716-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3716-58-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/844-59-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/3716-84-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/844-133-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/844-137-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/964-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/964-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/964-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/964-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/964-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/964-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/964-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/964-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/964-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/964-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/964-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/964-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2892 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 964 csrss.exe 1352 injector.exe 2648 windefender.exe 264 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023418-221.dat upx behavioral1/memory/2648-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/264-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2648-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/264-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/264-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe File created C:\Windows\rss\csrss.exe 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2972 sc.exe -
pid Process 2624 powershell.exe 2320 powershell.exe 112 powershell.exe 4604 powershell.exe 4324 powershell.exe 3792 powershell.exe 4356 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2428 schtasks.exe 2640 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4324 powershell.exe 4324 powershell.exe 3716 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 3716 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 3792 powershell.exe 3792 powershell.exe 3792 powershell.exe 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 4356 powershell.exe 4356 powershell.exe 4356 powershell.exe 2624 powershell.exe 2624 powershell.exe 2320 powershell.exe 2320 powershell.exe 112 powershell.exe 112 powershell.exe 4604 powershell.exe 4604 powershell.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 964 csrss.exe 964 csrss.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 964 csrss.exe 964 csrss.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 964 csrss.exe 964 csrss.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 3716 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Token: SeImpersonatePrivilege 3716 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe Token: SeDebugPrivilege 3792 powershell.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeDebugPrivilege 2624 powershell.exe Token: SeDebugPrivilege 2320 powershell.exe Token: SeDebugPrivilege 112 powershell.exe Token: SeDebugPrivilege 4604 powershell.exe Token: SeSystemEnvironmentPrivilege 964 csrss.exe Token: SeSecurityPrivilege 2972 sc.exe Token: SeSecurityPrivilege 2972 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3716 wrote to memory of 4324 3716 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 89 PID 3716 wrote to memory of 4324 3716 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 89 PID 3716 wrote to memory of 4324 3716 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 89 PID 844 wrote to memory of 3792 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 99 PID 844 wrote to memory of 3792 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 99 PID 844 wrote to memory of 3792 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 99 PID 844 wrote to memory of 640 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 101 PID 844 wrote to memory of 640 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 101 PID 640 wrote to memory of 2892 640 cmd.exe 104 PID 640 wrote to memory of 2892 640 cmd.exe 104 PID 844 wrote to memory of 4356 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 105 PID 844 wrote to memory of 4356 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 105 PID 844 wrote to memory of 4356 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 105 PID 844 wrote to memory of 2624 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 107 PID 844 wrote to memory of 2624 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 107 PID 844 wrote to memory of 2624 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 107 PID 844 wrote to memory of 964 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 109 PID 844 wrote to memory of 964 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 109 PID 844 wrote to memory of 964 844 3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe 109 PID 964 wrote to memory of 2320 964 csrss.exe 110 PID 964 wrote to memory of 2320 964 csrss.exe 110 PID 964 wrote to memory of 2320 964 csrss.exe 110 PID 964 wrote to memory of 112 964 csrss.exe 115 PID 964 wrote to memory of 112 964 csrss.exe 115 PID 964 wrote to memory of 112 964 csrss.exe 115 PID 964 wrote to memory of 4604 964 csrss.exe 118 PID 964 wrote to memory of 4604 964 csrss.exe 118 PID 964 wrote to memory of 4604 964 csrss.exe 118 PID 964 wrote to memory of 1352 964 csrss.exe 121 PID 964 wrote to memory of 1352 964 csrss.exe 121 PID 2648 wrote to memory of 2112 2648 windefender.exe 128 PID 2648 wrote to memory of 2112 2648 windefender.exe 128 PID 2648 wrote to memory of 2112 2648 windefender.exe 128 PID 2112 wrote to memory of 2972 2112 cmd.exe 129 PID 2112 wrote to memory of 2972 2112 cmd.exe 129 PID 2112 wrote to memory of 2972 2112 cmd.exe 129 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe"C:\Users\Admin\AppData\Local\Temp\3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4324
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C:\Users\Admin\AppData\Local\Temp\3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe"C:\Users\Admin\AppData\Local\Temp\3a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:844 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3792
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:2892
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4356
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2624
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:964 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2320
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2428
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1864
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:112
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4604
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1352
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2640
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:2972
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:264
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b6e4f15d3573b0c1f92cf0828d9f01bb
SHA1f2228027ccefb6f75ec5ab1db911028a8578e1a1
SHA2563ea6a0df03bd901f553e1f9166d31b6c33af33ea93b17c8a7b97702097da0bc3
SHA512462f6d44d2232617036d1c37998791071dee32d3f6eb4b8ca36ba337780dce0451a993b7591a418865c92493f80904b1dda151cecfa353b0ee7472390e5b9306
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b32e084df5a88df8cc88b292b0b32017
SHA14a289e0e73bbf580c91c41c1b07da81914d6cd3f
SHA256895e1123e09e283a11932fb42fbc1564bee303ef6bd3792d9de77ae4d0d9e02b
SHA51299d8d61c344fede0bb0ce9d8f30d205327117e44f395c1d4f9b5804ed7a062bd6f5144bf8566c30a4b41e8cb4afd2ade44fd43a85057f2995109930a6a213f40
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5adbf7aabc6d1d74cd0d27273ef1ea468
SHA196d8382eacebfa73a41092339d641364bf84725e
SHA256a642ee19ace941862b3d1911dac4a294e922fdff69b005635f94f92b4b0f9fb7
SHA512a6e71ec79e3d2cdc897ed6113de68db470e4c486244bb17a2c685d5350a90c480f2384ab3e7d42abb5f745286b224d9c420eb9518a17466b4b6c45303a6765d5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eda22ccb814c2f8726e5fd4d14333d1b
SHA1677d804695e9f4d84b56f9b924516df936a05e93
SHA25663feb3a18ac52bd11544077a9df8d759fa3c239ff6eb96ef22e03cbb50414ad5
SHA512dea94403cd5b6831bdc4ea1d4e3645591615f252dc8fb4ac778ce0eca63680475106314d5331d8676860e0fc87a7dbaa39b0726138374572354cf55c87322171
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD592bb08ebd8e1c80070848d9333dc1054
SHA1d29aec7d0b19b1f023a0dbeb8515eaee32ed51ce
SHA256a57cdca3a75bb3aab88402373f6b1050a1e95f11e9d6107d47beb1f1a96ce553
SHA512618b89172950c8b36ada058ea088499f546c764683e4eeabe3be09a8d563c68f55a6671d7786a4c259b962101a32bec854e0125c89a23cf2a9596bb6b00b36b3
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Filesize
4.1MB
MD537661e453fc7647eddf5f9e9b3778aa0
SHA1ed7b3cc6d552c45befdbfc0fcf158ee591645d57
SHA2563a4298139a4b2c70379737b8abfdae93c44a3650d205c0773c3e6e69c78ef5b7
SHA512fcd7ffd51ebcfaa445ac08aa8201a7103df03036e0ec8b24a5dbf806232ac3a44cb107b3db1d3916746790eb6969d4179afb0ce618649c3ca651ab4f477e6f8d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec